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Cheap Flights from London (LHR) to Houston (IAH)

View AU$985 flight on Thu, 24 Dec 2026Opens in a new window

Flight 1

Popular airlines from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from London (LHR) to Houston (IAH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, 25 Sept - Fri, 2 Oct
LHR
London
IAH
Houston
AU$1,151 Return, found 6 days ago
AU$1,151
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Fri, 25 Sept from London to Houston, returning Fri, 2 Oct, priced at AU$1,151 found 6 days ago
Turkish Airlines
Fri, 13 Nov - Mon, 30 Nov
LHR
London
IAH
Houston
AU$1,535 Return, found 2 days ago
AU$1,535
Return
found 2 days ago
Select Turkish Airlines flight, departing Fri, 13 Nov from London to Houston, returning Mon, 30 Nov, priced at AU$1,535 found 2 days ago
Lufthansa
Wed, 30 Sept - Wed, 7 Oct
LHR
London
IAH
Houston
AU$1,714 Return, found 2 days ago
AU$1,714
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 30 Sept from London to Houston, returning Wed, 7 Oct, priced at AU$1,714 found 2 days ago
United
Sun, 15 Nov - Sun, 29 Nov
LHR
London
IAH
Houston
AU$1,739 Return, found 4 hours ago
AU$1,739
Return
found 4 hours ago
Select United flight, departing Sun, 15 Nov from London to Houston, returning Sun, 29 Nov, priced at AU$1,739 found 4 hours ago
Lufthansa
Wed, 30 Sept - Wed, 7 Oct
LHR
London
IAH
Houston
AU$1,759 Return, found 2 days ago
AU$1,759
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 30 Sept from London to Houston, returning Wed, 7 Oct, priced at AU$1,759 found 2 days ago
Delta
Sun, 15 Nov - Sun, 29 Nov
LHR
London
IAH
Houston
AU$1,769 Return, found 4 hours ago
AU$1,769
Return
found 4 hours ago
Select Delta flight, departing Sun, 15 Nov from London to Houston, returning Sun, 29 Nov, priced at AU$1,769 found 4 hours ago
Finnair
Wed, 30 Sept - Wed, 7 Oct
LHR
London
IAH
Houston
AU$1,793 Return, found 2 days ago
AU$1,793
Return
found 2 days ago
Select Finnair flight, departing Wed, 30 Sept from London to Houston, returning Wed, 7 Oct, priced at AU$1,793 found 2 days ago
American Airlines
Wed, 30 Sept - Wed, 7 Oct
LHR
London
IAH
Houston
AU$1,793 Return, found 2 days ago
AU$1,793
Return
found 2 days ago
Select American Airlines flight, departing Wed, 30 Sept from London to Houston, returning Wed, 7 Oct, priced at AU$1,793 found 2 days ago
Air Canada
Wed, 30 Sept - Wed, 7 Oct
LHR
London
IAH
Houston
AU$1,802 Return, found 2 days ago
AU$1,802
Return
found 2 days ago
Select Air Canada flight, departing Wed, 30 Sept from London to Houston, returning Wed, 7 Oct, priced at AU$1,802 found 2 days ago
ITA Airways
Sun, 27 Sept - Sun, 4 Oct
LHR
London
IAH
Houston
AU$1,809 Return, found 5 days ago
AU$1,809
Return
found 5 days ago
Select ITA Airways flight, departing Sun, 27 Sept from London to Houston, returning Sun, 4 Oct, priced at AU$1,809 found 5 days ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from AU$1,819
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from AU$1,819

Find the cheapest month to fly from London (LHR) to Houston (IAH)

September is typically the cheapest month to fly

From AU$1,130 - AU$1,346 per traveller.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from AU$985 and cheap return flights from AU$1,151 LHR to IAH with Expedia. One-way flights typically cost between AU$1,172 and AU$6,262 and return flights often range between AU$1,539 and AU$11,328. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to IAH ticket fares go up or down.
What is the cheapest month to fly from London (LHR) to Houston, TX (IAH)?
The cheapest months to fly from London (LHR) to Houston, TX (IAH) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
There are 2 airlines that offer direct flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental):
  • British Airways operates 14 direct flights from LHR to IAH every week.
  • United operates 14 direct flights from LHR to IAH every week.
How do I find cheap flights from London (LHR) to Houston, TX (IAH)?
To find a cheap flight from London (LHR) to Houston, TX (IAH), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. United offers the most daily flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR) to Houston, TX (IAH)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find approximately 4 nonstop flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental). For even more choices, look at flights that include layovers, as there are around 144 connecting flights per day. Some common connection points include Dublin (DUB), John F. Kennedy Intl. (JFK), and O'Hare Intl. (ORD).
What is the earliest flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from London Heathrow (LHR) to Houston, TX (IAH-George Bush Intercontinental) typically departs around 6:00 AM. This service is operated by British Airways and American Airlines. This is a seasonal service active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from London Heathrow (LHR) to Houston, TX (IAH) on a Saturday, with around 93 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, British Airways, and American Airlines. Flight schedules are fairly consistent throughout the week, with Saturday offering only slightly more options than other days.
What are the most popular departure times for flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from London Heathrow (LHR) to Houston, TX (IAH) are in the morning, between 9am and 12pm. Many major carriers, including United, British Airways and American Airlines, offer flights during this window. This timing works well because it allows you to start your journey after the morning rush and arrive in Houston in the afternoon, giving you time to settle in.
How long does it take to fly from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) typically takes around 10 hours 18 minutes. This journey covers a distance of approximately 7,763 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 14 hours 30 minutes. Flights with two or more stops generally take about 18 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Yes, you can fly business class or first class between LHR and IAH.Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • Turkish Airlines
  • Iberia
  • Icelandair
  • British Airways
  • Med View Airlines
  • Air Canada
  • Brussels Airlines
  • KLM
  • Eurowings
  • ITA Airways
  • United
  • Delta
  • Virgin Atlantic
  • American Airlines
First class cabins are available on British Airways and American Airlines.
How do I earn miles on a London (LHR) to Houston, TX (IAH) flight with Expedia?
It's easy to earn miles on a London (LHR) to Houston, TX (IAH) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (IAH) from London (LHR)?
If you're planning to travel to Houston from Heathrow (LHR), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Logan Intl. (BOS), or John F. Kennedy Intl. (JFK) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR) to Houston, TX (IAH) at the last minute?
Typically, booking a last minute flight from London (LHR) to Houston, TX (IAH) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR) to Houston, TX (IAH) flight and hotel package?
Securing a London (LHR) to Houston, TX (IAH) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR) to Houston, TX (IAH)?
If you booked your London (LHR) to Houston, TX (IAH) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Lufthansa, United, Virgin Atlantic
Roundtrip price
AU$1,150
Distance
7718 km
Average flight time
4 hours 20 mins

Book with confidence

Your quick guide to flights from London to Houston

Pick up great flights from London to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from London to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to Houston that take around hours.

Find cheap flights from London to Houston

From the great flight deals with prices currently ranging from AU$1,151 to AU$1,809, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in September.

Reasons to book your flight from London to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from London to Houston

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*Available to Expedia members.